<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<script src="../js/vue.js"></script>
<body>
        <div id="app">
                <h1>{{str}}</h1>
        </div>  


      <script>

        new Vue({
            el:"#app",
            data:{
                str:"学习vue2基础111111111111111"
            }
        })

       

      </script>
</body>
</html>